Current And Resistance MCQ

Test your knowledge with important Current And Resistance MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Current And Resistance MCQs on Bissoy. Bissoy App

• Current flows in a circuit when
  ক

  A switch is opened

  খ

  A switch is closed

  গ

  The switch is either open or closed

  ঘ

  There is no voltage
• The unit of electrical charge is the
  ক

  Coulomb

  খ

  Joule

  গ

  Volt

  ঘ

  Watt
• Electrons in the outer orbit are called
  ক

  Nuclei

  খ

  Valences

  গ

  Waves

  ঘ

  Shells
• A voltmeter is connected across the current path.
  ক

  True

  খ

  False
• An ammeter is connected across the current path.
  ক

  True

  খ

  False
• A wiper is the sliding contact in a
  ক

  Switch

  খ

  Photoconductive cell

  গ

  Thermistor

  ঘ

  Potentiometer
• A twoterminal variable resistor is known as a
  ক

  Potentiometer

  খ

  Thermistor

  গ

  Rheostat

  ঘ

  Wiper
• A red, red, orange, gold resistor has a nominal value of
  ক

  22,000 Ω

  খ

  2,200 Ω

  গ

  22 Ω

  ঘ

  2.2 Ω
• An ohmmeter is an instrument for measuring
  ক

  Current

  খ

  Voltage

  গ

  Resistance

  ঘ

  Wattage
• The atomic number is the number of neutrons in the nucleus.
  ক

  True

  খ

  False
• A free electron is a valence electron that has broken away from its parent atom.
  ক

  True

  খ

  False
• A thermistor is a type of
  ক

  Switch

  খ

  Resistor

  গ

  Battery

  ঘ

  Power supply
• Which of the following is not a type of energy source?
  ক

  Generator

  খ

  Rheostat

  গ

  Solar cell

  ঘ

  Battery
• The maximum resistance value for a brown, red, yellow, gold resistor is
  ক

  126,000 Ω

  খ

  126,600 Ω

  গ

  114,000 Ω

  ঘ

  132,000 Ω
• A neutral atom is one with an equal number of protons and electrons.
  ক

  True

  খ

  False
• An open circuit is one that has a complete current path.
  ক

  True

  খ

  False
• An ammeter is an electrical instrument used to measure
  ক

  Current

  খ

  Voltage

  গ

  Resistance

  ঘ

  None of the above
• A potentiometer is a twoterminal variable resistor.
  ক

  True

  খ

  False
• A material that does not allow current under normal conditions is a/an
  ক

  Insulator

  খ

  Conductor

  গ

  Semiconductor

  ঘ

  Valence
• Free electrons make current possible.
  ক

  True

  খ

  False
• Materials with lots of free electrons are called
  ক

  Conductors

  খ

  Insulators

  গ

  Semiconductors

  ঘ

  Filters
• When placed close together, two positively charged materials will
  ক

  Attract

  খ

  Become neutral

  গ

  Become negative

  ঘ

  Repel
• A multimeter measures
  ক

  Current

  খ

  Voltage

  গ

  Resistance

  ঘ

  Current, voltage, and resistance
• Resistance limits the current.
  ক

  True

  খ

  False
• A neutral atom with an atomic number of five has how many electrons?
  ক

  1

  খ

  5

  গ

  None

  ঘ

  Depends on the type of atom